Table 5 Operation cost of 1 ton magnetic adsorbent for OTC treatment.
Reagent and processing | Prize | Usage per ton | Total |
|---|---|---|---|
Sodium hydroxide | 262 US$/t | 0.5t | 131 |
Power | 0.23 US$/kW h | 30 kW h (total 10 h) | 69 |
Total | 200US$ | ||
Iron mud disposal | 1800 US$/t | 8.2 kg | 14.76 |
Poly(acrylamide) | 0.23 US$/kW h | 18 kW h (about 1 h) | 4.14 |
Shipping | 0.5 US$/t km | 58 km | 29 |
Landfill | 18.2 US$/t | 18.2 | |
Total | 66.1 |
